•  The exhaust gas is cleaned by the TWC after passing through the front pipe. Next, it passes to the main silencer and after silencer, where its noise is reduced. Finally, the exhaust gas is expelled from the vehicle.

•  After passing through the front pipe, the exhaust gas passes through the presilencer, main silencer, and then the after silencer, where noise is reduced. Finally, the exhaust gas is expelled from the vehicle.